UX Engineer/Front-End Engineer

and understands every customer interaction (calls, video, email, WhatsApp) to autonomously execute sales workflows: CRM updates, follow-ups, task creation, and coaching insights. Our long-term vision is to evolve this into a self-improving, agentic Sales OS-where specialized AI agents collaborate, coordinate, and continuously optimize the revenue process. We are looking for a strong Senior Frontend Engineer who wants to go beyond traditional frontend development. Build production-grade web services with clean architecture and strong engineering discipline using NextJS. Architect for Scale: Utilize Domain-Driven Design (DDD) principles to build scalable frontend systems. Connect with external SaaS systems (CRMs, dialers, meeting tools, OAuth providers) to create a unified Sales OS. Optimize Performance: AI-Augmented Workflows: Effectively use AI coding assistants and experiment with AI-augmented development to push the boundaries of what a small, elite team can ship. 7+ years of strong

frontend engineering experience. ~ Advanced React & NextJS expertise (async, typing, architecture patterns, testing). ~ Solid Understanding of software architecture and clean code principles. ~ Experience with Tailwind CSS and monitoring tools like DataDog/Sentry. ~ Experience with GCP (preferred) or AWS. ~ Fluency in English is required; Spanish is a plus. Frontend: NextJS, Tailwind Backend: Python, FastAPI, Celery, PostgreSQL, uv DevOps: Google Cloud (GCP), Kubernetes 45+ Nationalities: cosmopolite & multi-cultural mindset We're committed to ensuring that everyone not only has a seat at the table but is valued and respected at it by providing equal opportunities to develop and thrive.

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Aircall is headquartered in Paris, our European HQ, with a strong North American presence anchored in Seattle, our North American HQ, and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We've built a product customers love and a business that's scaling quickly, backed by world-class investors and driven by rapid AI innovation across multiple product lines. At Aircall, you'll join a company in motion. We're customer-obsessed, data-driven, and focused on delivering meaningful outcomes. Within Aircall, we are launching a specialized New Product Unit to build the future of autonomous sales. We are improving the AI Orchestration Layer-a system that records